package com.yang.tally.utils;

import android.app.UiAutomation;
import android.inputmethodservice.Keyboard;
import android.inputmethodservice.KeyboardView;
import android.text.Editable;
import android.text.InputType;
import android.view.View;
import android.view.accessibility.AccessibilityEvent;
import android.widget.EditText;

import com.yang.tally.R;

public class KeyBoardUtils {

    private KeyboardView keyboardView;
    private final Keyboard k1; //自定义的键盘
    private EditText editText;
    private int visibility;

    public interface OnEnsureListener{
        public void onEnsure();

    }
    OnEnsureListener onEnsureListener;

    public void setOnEnsureListener(OnEnsureListener onEnsureListener) {
        this.onEnsureListener = onEnsureListener;
    }

    public KeyBoardUtils(KeyboardView keyboardView, EditText editText) {
        this.keyboardView = keyboardView;
        this.editText = editText;
        this.editText.setInputType(InputType.TYPE_NULL);//取消弹出系统键盘
        k1 = new Keyboard(this.editText.getContext(), R.xml.key);

        this.keyboardView.setKeyboard(k1);//设置要显示的键盘的样式
        this.keyboardView.setEnabled(true);
        this.keyboardView.setPreviewEnabled(false);
        this.keyboardView.setOnKeyboardActionListener(listener); //设置键盘按钮被点击的监听
    }

    KeyboardView.OnKeyboardActionListener listener = new KeyboardView.OnKeyboardActionListener() {
        @Override
        public void onPress(int primaryCode) {
        }

        @Override
        public void onRelease(int primaryCode) {
        }

        @Override
        public void onKey(int primaryCode, int[] keyCodes) {
            Editable editable = editText.getText();
            int start = editText.getSelectionStart();
            switch (primaryCode) {
                case Keyboard.KEYCODE_DELETE: //表示点击了删除键

                    if(editable!=null&&editable.length()>0) {
                    if(start>0){
                        editable.delete(start-1,start);
                    }
                }
                    break;
                case Keyboard.KEYCODE_CANCEL://点击了清零
                    editable.clear();
                    break;
                case Keyboard.KEYCODE_DONE://点击了完成
                    onEnsureListener.onEnsure();//通过接口回调的方法，当点击确定时，可以调用这个方法
                    break;
                default://其他数字直接插入
                    editable.insert(start,Character.toString((char)primaryCode));
            }
        }

        @Override
        public void onText(CharSequence text) {

        }

        @Override
        public void swipeLeft() {

        }

        @Override
        public void swipeRight() {

        }

        @Override
        public void swipeDown() {

        }

        @Override
        public void swipeUp() {

        }
    };

    //显示键盘
    public void showKeyboard(){
        int visibility = keyboardView.getVisibility();
        if (visibility == View.INVISIBLE||visibility==View.GONE){
            keyboardView.setVisibility(View.VISIBLE);
        }
    }
    //隐藏键盘
    public void hideKeyboard(){
        int visibility = keyboardView.getVisibility();
        if(visibility == View.VISIBLE ||visibility== View.INVISIBLE) {
            keyboardView.setVisibility(View.GONE);
        }

    }
}
